Phthaloperinone dyes and the use thereof for more dyeing plastic

Details Phthaloperinone dyes and the use thereof for more dyeing plastic Phthaloperinone dyes and the use thereof for more dyeing plastic

1982-08-18

1983-11-22

Rivers, Diana G.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

544245, C09B 5712, C07D48722

Patent

active

044170149

ABSTRACT:
The present invention provides dyestuffs of formula I, ##STR1## in which R.sub.1 is a mono- or bicyclic aromatic radical, and the ring A may bear up to 4 substituents conventional for dyestuffs, in which the dyestuff is free from sulphonic and carboxylic acid groups, and mixtures of such dyestuffs and their use as disperse dyestuffs.

REFERENCES:
patent: 3410821 (1968-11-01), Cooper et al.
patent: 4024144 (1977-05-01), Groll et al.

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